Hecho general: 11239 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 11239 is an unremarkable number.
Trivia: 11239 is an unremarkable number.
Fecha histórica: October 8th is the day in 2001 that a twin engine Cessna and Scandinavian Airlines System (SAS) jetliner collide in heavy fog during takeoff from Milan, Italy killing 118.